Level 2 - Details on Tackling industrial waste

• 1. What waste treatment options are compared and why?
• 2. What types of industrial wastes are considered?
  • 2.1 Which five waste streams are the focus of this study?
  • 2.2 How much waste and fuel is used in cement kilns?
  • 2.3 How well does waste burn?
  • 2.4 How and why is waste pretreated in some cases?
• 3. How is waste used in cement production?
  • 3.1 How is cement produced?
  • 3.2 How can waste replace part of the fuel and raw materials used in cement kilns?
  • 3.3 How does the use of waste change the outputs of cement production?
• 4. How is industrial waste incinerated?
  • 4.1 How are waste incinerated in rotary kiln incinerators?
  • 4.2 How are wastes incinerated in fluidised bed incinerators?
  • 4.3 How much energy is recovered when burning a tonne of waste in an incinerator?
• 5. How are environmental impacts compared?
  • 5.1 What steps are considered in this Life Cycle Assessment?
  • 5.2 What environmental impacts categories are we concerned about?
• 6. Which treatment option leads to lower environmental impacts?
  • 6.1 Impacts of the treatment of solvents & waste oils
  • 6.2 Impacts of the treatment of sludge
  • 6.3 Impacts of the treatment of filter cake
  • 6.4 Impacts of the treatment of paint and ink
  • 6.5 Impacts of the treatment of fluff
• 7. Conclusion - How can the results be interpreted and how reliable are they?
  • 7.1 Are certain environmental impacts more important than others?
  • 7.2 How would the results change if the waste or process were slightly different?